12.25 g ( KClO₃ ) on heating gives enough ( O₂ ) to react completely with ( H₂ ) produced by the action of the ( Zn ) on dilute ( H₂SO₄ ). The weight of ( Zn ) required for this is: [Atomic mass of ( Zn = 65.5 )]
a) 9.825 g
b) 7.375 g
c) 11.560 g
d) 5.200 g